public async Task <IActionResult> Index([FromQuery] int?age = null)
{
GuestListResponse response;
if (age == null)
{
response = await _guestService.GetGuestsAsync();
}
else
{
response = await _guestService.GetGuestsByAgeAsync(age.Value);
}
if (!response.Result)
{
_logger.LogInformation($"An error occured during retrieving guests list.");
return(BadRequest(response));
}
_logger.LogInformation("Guests list successfully retrieved.");
return(new OkObjectResult(response));
}